Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

May Chien, MD

Individual provider Hematology (Internal Medicine) Physician · NPI 1417221326

May Chien, MD is an Internal Medicine in Palo Alto, California. Qualified in 2010, 16 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
16
Licensed in
CA
In the registry since
2012
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Welch Rd Ste 300
Palo Alto, CA 94304-1812
Phone: (650) 723-5535
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1200 N State St, Los Angeles, CA 90033-1029 — (323) 226-7556

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence A119918 (CA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence A119918 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence A119918 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A119918 (CA)

Record details

NPI number1417221326
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 24, 2012
Last updated in NPPESApril 18, 2024
Certification dateApril 18, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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